Sequence Diagram From Use Case Example. Credit card processing system. Use cases and scenarios a use case is a collection of interactions between external actors and a system in uml a use case is the specification of a sequence of actions including variants that a system or entity can perform interacting with actors of the system typically each use case includes a primary scenario or.
Press enter to go into the if condition. This use case is initiated by the customer at the ticket vending machine communicating with the box office. Purpose of a sequence diagram.
Software protection and licensing uml use case diagram.
Figure illustration below is a simplified example of a sequence diagram for a use case that admits a student to a university. The steps for the make charges use case are. Browse catalog and select items. In comparison to other behavioral diagrams in uml the use case diagram is quite static as it can only be used to describe the action and goal but not the exact sequence of the various workflows and actions.